1166522 has 16 divisors (see below), whose sum is σ = 2022720. Its totient is φ = 494208.

The previous prime is 1166507. The next prime is 1166527. The reversal of 1166522 is 2256611.

It is not an unprimeable number, because it can be changed into a prime (1166527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929 + ... + 1787.

It is an arithmetic number, because the mean of its divisors is an integer number (126420).

2^1166522 is an apocalyptic number.

1166522 is a deficient number, since it is larger than the sum of its proper divisors (856198).

1166522 is an equidigital number, since it uses as much as digits as its factorization.

1166522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its digits is 720, while the sum is 23.

The square root of 1166522 is about 1080.0564800046. The cubic root of 1166522 is about 105.2683085111.

The spelling of 1166522 in words is "one million, one hundred sixty-six thousand, five hundred twenty-two".